Home / 120,996,604.80-181,494,907.20-40,230,038.40

Finding the Fourth Proportional to 120,996,604.80, 181,494,907.20 and 40,230,038.40

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Solution

The fourth proportional to 120,996,604.80, 181,494,907.20 and 40,230,038.40 is: 60,345,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,996,604.80 : 181,494,907.20 = 40,230,038.40 : x
  2. Step 2: Convert to fraction form
    120,996,604.80/181,494,907.20 = 40,230,038.40/x
  3. Step 3: Cross multiply
    120,996,604.80x = 181,494,907.20 × 40,230,038.40
  4. Step 4: Simplify right side
    120,996,604.80x = 7,301,547,086,060,436
  5. Step 5: Solve for x
    x = 7,301,547,086,060,436/120,996,604.80
  6. Step 6: Final answer
    x = 60,345,057.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.